quarterback to play in the third game against the Oakland Raiders. He played one drive in the fourth preseason game, throwing an incomplete pass against the Dallas Cowboys, before suffering a hamstring strain. The Vikings waived/injured him on September 1, and he was placed on season-ending injured reserve on September 2 after he cleared waivers. He was waived off of the injured reserve list on September 15. Tennessee Titans The Tennessee Titans gave Kafka a workout after week 14, and he signed with their practice squad on December 16, as the third quarterback on the roster behind Marcus Mariota and Zach Mettenberger. After Mariota suffered a knee injury in a week 15 game against the Patriots, the team re-signed Alex Tanney to the active roster to serve as the backup quarterback to Mettenberger in week 16. The Titans released Kafka from the practice squad and signed Bryn Renner in his place on December 22, 2015. Cincinnati Bengals The Cincinnati Bengals' starting quarterback, Andy Dalton, suffered a thumb injury in Week 14, and the team's backup, A. J. McCarron injured his wrist in Week 16, leaving the team with one fully healthy quarterback on the roster, third-stringer Keith Wenning. The team signed Kafka to their practice squad on December 29, 2015, one week after his release from the Titans. After the Bengals were defeated in the Wild Card Round of the 2015–16 NFL playoffs, his practice squad contract with the team expired and he was not re-signed. Coaching career Kansas City Chiefs On March 29, 2016, Kafka was hired as an offensive graduate assistant at Northwestern University. A year later, on February 7, 2017, Kafka was hired by the Kansas City Chiefs to be their offensive quality control coach, reuniting him with a coach from his playing career, Andy Reid. Kafka was promoted to quarterbacks coach on January 26, 2018. In 2018, Chiefs quarterback Patrick Mahomes earned his first Pro Bowl selection and was named NFL Most Valuable Player after the season. The Chiefs went to the AFC Championship Game but lost to the New England Patriots. Mahomes was named to his second Pro Bowl during the 2019 season. The Chiefs won Super Bowl LIV on February 2, 2020, against the San Francisco 49ers, with Mahomes earning Super Bowl MVP honors. The Chiefs gave Kafka an additional coaching title of passing game coordinator on March 6, 2020. Mahomes earned a third